Light meson spectroscopy from Dalitz plot analyses of ηc decays to η′K+K−, η′π+π−, and ηπ+π− produced in two-photon interactions

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Light meson spectroscopy from Dalitz plot analyses of ηc decays to η′K+K−, η′π+π−, and ηπ+π− produced in two-photon interactions. / BaBar Collaboration.

в: Physical Review D, Том 104, № 7, 072002, 01.10.2021.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

BibTeX

@article{e1026ab70b664e6ea1a6683e67bfe2b4,

title = "Light meson spectroscopy from Dalitz plot analyses of ηc decays to η′K+K−, η′π+π−, and ηπ+π− produced in two-photon interactions",

abstract = "We study the processes η′K+K−, η′π+π−, and ηπ+π−, and using a data sample of recorded with the BABAR detector operating at the SLAC PEP-II asymmetric-energy collider at center-of-mass energies at and near the (, 3, 4) resonances. This is the first observation of the decay and we measure the branching fraction . Significant interference is observed between and the nonresonant two-photon process . A Dalitz plot analysis is performed of decays to , , and . Combined with our previous analysis of , we measure the parameters and the ratio between its and couplings. The decay is dominated by the resonance, also observed in radiative decays. A new resonance is observed in the channel. We also compare decays to and final states in association with scalar mesons as they relate to the identification of the scalar glueball.",

author = "{BaBar Collaboration} and Lees, {J. P.} and V. Poireau and V. Tisserand and E. Grauges and A. Palano and G. Eigen and Brown, {D. N.} and Kolomensky, {YU G.} and M. Fritsch and H. Koch and T. Schroeder and R. Cheaib and C. Hearty and Mattison, {T. S.} and McKenna, {J. A.} and So, {R. Y.} and Blinov, {V. E.} and Buzykaev, {A. R.} and Druzhinin, {V. P.} and Golubev, {V. B.} and Kozyrev, {E. A.} and Kravchenko, {E. A.} and Onuchin, {A. P.} and Serednyakov, {S. I.} and Skovpen, {Yu. I.} and Solodov, {E. P.} and Todyshev, {K. Yu.} and Lankford, {A. J.} and B. Dey and Gary, {J. W.} and O. Long and Eisner, {A. M.} and Lockman, {W. S.} and {Panduro Vazquez}, W. and Chao, {D. S.} and Cheng, {C. H.} and B. Echenard and Flood, {K. T.} and Hitlin, {D. G.} and J. Kim and Y. Li and Lin, {D. X.} and Miyashita, {T. S.} and P. Ongmongkolkul and J. Oyang and Porter, {F. C.} and M. R{\"o}hrken and Z. Huard and Meadows, {B. T.} and Pushpawela, {B. G.}",

note = "Publisher Copyright: {\textcopyright} 2021 Published by the American Physical Society",

year = "2021",

month = oct,

day = "1",

doi = "10.1103/PhysRevD.104.072002",

language = "English",

volume = "104",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "AMER PHYSICAL SOC",

number = "7",

}

RIS

TY - JOUR

T1 - Light meson spectroscopy from Dalitz plot analyses of ηc decays to η′K+K−, η′π+π−, and ηπ+π− produced in two-photon interactions

AU - BaBar Collaboration

AU - Lees, J. P.

AU - Poireau, V.

AU - Tisserand, V.

AU - Grauges, E.

AU - Palano, A.

AU - Eigen, G.

AU - Brown, D. N.

AU - Kolomensky, YU G.

AU - Fritsch, M.

AU - Koch, H.

AU - Schroeder, T.

AU - Cheaib, R.

AU - Hearty, C.

AU - Mattison, T. S.

AU - McKenna, J. A.

AU - So, R. Y.

AU - Blinov, V. E.

AU - Buzykaev, A. R.

AU - Druzhinin, V. P.

AU - Golubev, V. B.

AU - Kozyrev, E. A.

AU - Kravchenko, E. A.

AU - Onuchin, A. P.

AU - Serednyakov, S. I.

AU - Skovpen, Yu. I.

AU - Solodov, E. P.

AU - Todyshev, K. Yu.

AU - Lankford, A. J.

AU - Dey, B.

AU - Gary, J. W.

AU - Long, O.

AU - Eisner, A. M.

AU - Lockman, W. S.

AU - Panduro Vazquez, W.

AU - Chao, D. S.

AU - Cheng, C. H.

AU - Echenard, B.

AU - Flood, K. T.

AU - Hitlin, D. G.

AU - Kim, J.

AU - Li, Y.

AU - Lin, D. X.

AU - Miyashita, T. S.

AU - Ongmongkolkul, P.

AU - Oyang, J.

AU - Porter, F. C.

AU - Röhrken, M.

AU - Huard, Z.

AU - Meadows, B. T.

AU - Pushpawela, B. G.

PY - 2021/10/1

Y1 - 2021/10/1

N2 - We study the processes η′K+K−, η′π+π−, and ηπ+π−, and using a data sample of recorded with the BABAR detector operating at the SLAC PEP-II asymmetric-energy collider at center-of-mass energies at and near the (, 3, 4) resonances. This is the first observation of the decay and we measure the branching fraction . Significant interference is observed between and the nonresonant two-photon process . A Dalitz plot analysis is performed of decays to , , and . Combined with our previous analysis of , we measure the parameters and the ratio between its and couplings. The decay is dominated by the resonance, also observed in radiative decays. A new resonance is observed in the channel. We also compare decays to and final states in association with scalar mesons as they relate to the identification of the scalar glueball.

AB - We study the processes η′K+K−, η′π+π−, and ηπ+π−, and using a data sample of recorded with the BABAR detector operating at the SLAC PEP-II asymmetric-energy collider at center-of-mass energies at and near the (, 3, 4) resonances. This is the first observation of the decay and we measure the branching fraction . Significant interference is observed between and the nonresonant two-photon process . A Dalitz plot analysis is performed of decays to , , and . Combined with our previous analysis of , we measure the parameters and the ratio between its and couplings. The decay is dominated by the resonance, also observed in radiative decays. A new resonance is observed in the channel. We also compare decays to and final states in association with scalar mesons as they relate to the identification of the scalar glueball.

UR - http://www.scopus.com/inward/record.url?scp=85116762752&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.104.072002

DO - 10.1103/PhysRevD.104.072002

M3 - Article

AN - SCOPUS:85116762752

VL - 104

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 7

M1 - 072002

ER -

ID: 34400044